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Open-Access Journal
Editorial
Single row rotator cuff repair with modified technique 
Sang-Hun Ko, Seung-Myeong Shin 
World J Orthop 3(12):199-203. Published online Dec 18, 2012. doi: 10.5312/wjo.v3.i12.199
Topic Highlight
Current concepts in management of femoroacetabular impingement 
Adam S Wilson, Quanjun Cui 
World J Orthop 3(12):204-211. Published online Dec 18, 2012. doi: 10.5312/wjo.v3.i12.204
Review
Osteoclast fusion and regulation by RANKL-dependent and independent factors 
Lianping Xing, Yan Xiu, Brendan F Boyce 
World J Orthop 3(12):212-222. Published online Dec 18, 2012. doi: 10.5312/wjo.v3.i12.212
Male osteoporosis: A review 
Antonio Herrera, Antonio Lobo-Escolar, Jesús Mateo, Jorge Gil, Elena Ibarz, Luis Gracia 
World J Orthop 3(12):223-234. Published online Dec 18, 2012. doi: 10.5312/wjo.v3.i12.223
Brief Article
Do osteoporosis-related vertebral fractures precede hip fractures? 
Mir Sadat-Ali, Abid Hussain Gullenpet, Md Quamar Azam, Ammar K Al-Omran 
World J Orthop 3(12):235-238. Published online Dec 18, 2012. doi: 10.5312/wjo.v3.i12.235